<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/youyou.png" alt="" width="60px" height="60px" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出登录</el-button>
    </el-header>
    <el-container>
        <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px' ">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <el-menu background-color="#333744" text-color="#fff" 
        active-text-color="#409eff" unique-opened :collapse="isCollapse" 
        :collapse-transition='false' router :default-active="$route.path">
          <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
              <!-- 一级菜单模板区域 -->
            <template slot="title">
                <!-- 图标 -->
              <i class="el-icon-location"></i>
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id">
                <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <span>{{ subItem.authName }}</span>
                </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
          <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
    data(){
        return{
            menulist:[],
            isCollapse: false
        }
    },
    created(){
        this.getMenuList();
    },
    methods: {
        logout() {
            window.sessionStorage.clear();
            this.$router.push("/login");
        },
        async getMenuList(){
            const {data:res}=await this.$http.get('menus');
            if(res.meta.status!==200) return this.$message.console.error(res.meta.msg);
            this.menulist = res.data;
        },
        //菜单的折叠与展开
        toggleCollapse(){
            this.isCollapse = !this.isCollapse;
        }
    },
};
</script>
<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu{
      border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.toggle-button{
    background-color: #333744;
    font-size: 10px;
    line-height: 24px;
    color: #fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>